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Building Seismic Safety Council 2009 NEHRP Recommended Seismic Provisions Update

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2009 NEHRP Recommended Seismic Provisions Update

The documents below are available as Adobe Acrobat PDFs. PDF

BSSC Member Ballot Proposals

Provisions Update Committee Proposals

2009 NEHRP BSSC 4th Member Organization Ballot Proposals (May 1 - June 1, 2009)

Part 1 Exceptions and Additions to ASCE 7-05
Proposal # Section Reference
2-4R3 Revise Sec. 12.8.7 P-delta Limit Exception
6-3R1 Revise AISC 341-05 Sec.15.7 and 16.7
6-4R3 Revise Sec. 14.1.4.1 and C14.1.4.1 on Cold-Formed Steel – Special Bolted Moment Frame
Part 2 Commentary to ASCE 7-05
Proposal # Section Reference
6-114 R2 Chapter 14, Material Specific Seismic Design and Detailing Requirements, Sec. C14.2.2.14 & C14.4.8

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2009 NEHRP BSSC 3rd Member Organization Ballot Proposals (January 21–March 6, 2009)

Part 1 Exceptions and Additions to ASCE 7-05
Proposal # Section Reference
2-4R2 Sec. 12.8.7 P-delta Limit
2-4C Commentary for Section 12.8.7 P-delta Limit
2-5RA Revise Chapter 18 of ASCE 7-05
3-5R2 Sec. 11.8 Geologic Hazards and Geotechnical Investigations
6-3R Revise Table 12.1-1 and Sec. 15.7 on Steel EBF
6-4R2 Revise Table 12.1-1 and Chapter 23 on Cold-Formed Steel - Special Bolted Moment Frame
8-43R Revise Table 5.4-2 and Section 15.6.2 - Stacks and Chimneys
SDPRG 1R4 New Ground Motion Provisions and Maps
2-8R3 New Material to Replace 16.1.3.2 of ASCE-7
Part 2 Commentary to ASCE 7-05
Proposal # Section Reference
2-111 Chapter 11, Seismic Design Criteria
2-112 Chapter 12, Seismic Design Requirements for Building Structures
8-113R1 Chapter 13, Seismic Design Requirements for Nonstructural Components
6-114 Chapter 14, Material Specific Seismic Design and Detailing Requirements
8-115R1 Chapter 15, Seismic Design Requirements for Nonbuilding Structures
2-116 Chapter 16, Seismic Response History Procedure
Part 3 Special Topics in Seismic Design
Proposal # Section Reference
IT1-3R Rearrange Sec. 11.1.4.1; Add new Sec. 11.1.4.2
2-3R4 Replace Appendix 5 of 2003 NEHRP with New Proposal on Nonlinear Static Procedure
2-5R5 Proposed New Chapter 16 for ASCE-7
3-6 White Paper - Evaluation of Geologic Hazards and Determination of Seismic Lateral Earth Pressures
7-10R1 White Paper - Light-frame Wall Systems with Wood Structural Panel Sheathing

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2009 NEHRP BSSC 2nd Member Organization Ballot Proposals (June 10–August 10, 2008)

Part 1 Exceptions and Additions to ASCE 7-05
Proposal # Section Reference
IT1-1 (2009) Add new Sec. 1.1
IT1-3R (2009) Revise Sec. 11.1.4.1 and add Sec. 11.1.4.2
2-2 (2009) Revise Table 12.6-1
2-4R (2009) Part 1, Sec. 1.4 , Exception #1 (P-Delta)
2-9 (2009) Revise Introduction to Part 1
3-1 (2009) Revise Table 19.2-1
3-2 (2009) Revise Figure 19.2-1
3-3 (2009) New Chapter Proposal
4-1 (2009) Revise existing Chapter 23 Seismic Design Reference Documents
4-2 (2009) Revise Sec. 14.2, Concrete and 14.2.2, Modifications to ACI 318
4-3 (2009) Revise Sec. 14.2.3, Additional Detailing Requirements for Concrete Piles
5-25R (2009) Add to Table 12.2-1 (Autoclaved Aerated Concrete)
6-3 (2009) Revise Table 12.1-1
7-1R (2009) Revise Sec. 11.1.2, Scope and Delete Exception in Part 1
8-1 (2009) Revise Sec. 13.6.8.2 and 23.1
8-2R (2009) Revise Sec. 15.5.3 and 23.1
8-4 (2009) Revise Sec. 13.6.5.5
8-10R5 (2009) Revise Sec. 15.7.6.1
8-43R1 (2009) Revise Table 15.4-2 and Sec. 15.6.2 Stacks and Chimneys
PUC-2 (2009) Revise Sec. 12.11 and 12.14
Part 2 Commentary to ASCE 7-05
Proposal # Section Reference
2-117 (2009) Chapter 17, Seismic Design Requirements for Seismically Isolated Structures
2-118 (2009) Chapter 18, Seismic Design Requirements for Structures with Damping Systems
3-119 (2009) Chapter 19, Soil Structure Interaction for Seismic Design
3-120 (2009) Chapter 20, Site Classification Procedure for Seismic Design
3-121 (2009) Chapter 21, Site-Specific Ground Motion Procedures for Seismic Design
3-122 (2009) Chapter 22, Seismic Ground Motion and Long Period Transition Maps
Part 3 Special Topics in Seismic Design
Proposal # Section Reference
2-6 (2009) White Paper – "Seismic Design Using Target Drift, Ductility, and Plastic Mechanism as Performance Criteria"
4-5 (2009) White Paper – "Seismic Design Methodology for Precast Concrete Diaphragms."
4-6 (2009) Delete "Appendix to Chapter 9" and Commentary "Untopped Precast Diaphragms."
7-2R & 6-2R (2009) White Paper - "Shear Wall Load-Deflection Parameters and Performance Expectations."
7-3 (2009) White Paper - "Special Requirements for Seismic Design of Structural Glued Laminated Timber (Glulam) Arch Members and Their Connections in Three-hinge Arch Systems
IT3-01(2009) White Paper – "Appropriate Seismic Load Combinations for Base Plates, Anchorage and Foundations"

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2009 NEHRP BSSC 1st Member Organization Ballot Proposals

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PUC Ballot Proposals to the 2009 NHERP Provisions (July 15–August 15, 2008)

Part 1 Exceptions and Additions to ASCE 7-05
Proposal # Section Reference
2-4 Edit Revise Sec. 12.8.7 (Includes revising previously approved proposal 2-4)
2-4 C Revise Sec. 12.8.7 (Includes revising previously approved commentary of prop. 2-4)
2-5R3 Revise Sec. 16
2-5RA Revise Sec.18.3.1 (in support of Proposal 2-5R3)
3-5Rev2 Sec. 11.8 Geologic Hazards and Geotechnical Investigation with maps
6-4R Revise Table 12.2-1 Sec. 14.1 and Chapter 23
View Support Material
8-31R Revise Table 15.4-1 - View Support Material
8-44R Revise Table 15.4-1 - View Support Material
8-50RR Revise 12.2.5 - View Support Material
Project 07 & Related Proposals
SDPRG 1R4 Sec. 11.2, 11.3, 11.4, 12.14.8.1, 21.2, and Chapter 22
2-8 Rev2 Revise Sec. 16.1.3.2 Three Dimensional Analysis
2-8 C Revise Sec. 16.1.3.2 Commentary to proposal 2-8 Rev2
Part 2 Commentary
Proposal # Section Reference
2-111 Chapter 11, Seismic Design Criteria
2-112 Chapter 12, Seismic Design Requirements for Building Structures
8-113 Chapter 13, Seismic Design Requirements for Nonstructural Components
6-114 Chapter 14, Material Specific Seismic Design and Detailing Requirements
8-115 Chapter 15, Seismic Design Requirements for Nonbuilding Structures
2-116 Chapter 16, Seismic Response History Procedures
Part 3 Special Topics in Seismic Design
Proposal # Section Reference
2-1 R5 Minimum Flexural Strength of Columns in Special Moment Frames
2-3 R4 Revise Appendix to Chapter 5
3-6 Evaluation of Geologic Hazards andDetermination of Seismic Lateral Pressures
7-10 Light-frame Wall Systems with Wood Structural Panel Sheathing

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PUC Ballot Proposals to the 2009 NEHRP Provisions (February 26–March 26, 2008)

Part 1 Exceptions and Additions to ASCE 7-05
Proposal # Section Reference
2-1 (2009) Sec. 12.2.5.5
2-4 (2009) Part 1, Sec. 1.4 , Exception #1 (P-Delta)
2-5 (2009) Chapter 16
2-7 (2009) Sec. 16.1.3.1 and 16.1.3.2
2-9 (2009) Introduction to Part 1
3-5 (2009) Sec. 11.8
4-1 (2009) Sec. 23.1
4-2 (2009) Sec. 14.2.2
4-3 (2009) Sec. 14.2.3
6-4 (2009) Table 12.2-1, Sec. 14.1, Table 15.4-1, Chapter 23, and Commentary Sec. 14.1
6-4 Support Documents: ASCE JSE paper 1 , ASCE JSE paper, Final Report, JCSR paper
7-1R (2009) Sec. 11.1.2 and Delete an Exception in Part 1
8-10R (2009) Sec. 15.7.6.1 and Commentary Chapter 22
8-31 (2009) Table 15.4-1
8-43 (2009) Table 15.4-2, Sec. 15.6.2 and Commentary to Chapter 15
8-44 (2009) Table 15.4-1
8-50R (2009) Sec. 12.2.5
Project 07 and Related Proposals
Proposal # Section Reference
SDPRG 1R2 Sec. 11.3, 11.4.3, 21.2.1, and Chapter 22
2-8 (2009) Sec. 16.1.3.2
Part 2 Commentary
Proposal # Section Reference
3-119 (2009) Chapter 19, Soil Structure Interaction for Seismic Design
3-120 (2009) Chapter 20, Site Classification Procedure for Seismic Design
3-121 (2009) Chapter 21, Site-Specific Ground Motion Procedures for Seismic Design
3-122 (2009) Chapter 22, Seismic Ground Motion and Long Period Transition Maps
4-4 (2009) Sec. C14.2, Concrete
Part 3 Special Topics in Seismic Design
Proposal # Section Reference
2-3 (2009) Revise "Appendix to Chapter 5" in Part 3 and move into Parts 1and 2
4-5 (2009) White Paper - Seismic Design Methodology for Precast Concrete Diaphragms.
4-6 (2009) Delete "Appendix to Chapter 9" and Commentary "Untopped Precast Diaphragms."
7-2R & 6-2R (2009) White Paper - "Shear Wall Load-Deflection Parameters and Performance Expectations."

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PUC Ballot Proposals to the 2009 NEHRP Provisions (October 9 - November 9, 2007)

Exceptions or additions to ASCE 7-05
Proposal # Section Reference
2-1 Section 12.2.5
2-2 Section 12.6
7-1 Section11.1.2 and Commentary
8-2R Section 15.5.3. and 23.1
8-11 Chapter 13
8-12 Section 13.1.4
8-13R Section 13.6.7
8-34 Table 13.5-1 and 15.4-2
8-41 Table 15.4-2
Commentary
Proposal # Section Reference
2-117 Chapter 17, Seismic Design Requirements for Seismically Isolated Structures
2-118 Chapter 18, Seismic Design for Structures with Damping Systems
New Recommended Requirements
Proposal # Section Reference
7-2 White Paper - Performance Expectations and Recommendations for Light-Frame Shear Walls
7-3 White Paper - Special Requirements for Seismic Design of GLULAM, et al.

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PUC Ballot Proposals to the 2009 NEHRP Provisions< (September 18–October 18, 2007)

Exceptions or additions to ASCE 7-05
Proposal # Section Reference
IT1-1 Section 1.1 Intent
IT1-3 Sections 11.1.4.1 and 11.1.4.2
3-1 Section 19.2.1.1 Table 19.2-1
3-2 Section 19.2.1.2 Figure 19.2-1
3-3 ASCE 7-07 Chapter 23, Vertical Ground Motions for Seismic Design
3-3 Draft 1.6 calculations
3-4 Section 11.8
6-3 Combines EBF and BFBF Systems
Commentary
Proposal # Section Reference
3-119 Chapter 19, Soil Structure Interaction for Seismic Design
3-120 Chapter 20, Site Classification Procedure for Seismic Design
3-121 Chapter 21, Site Specific Ground Motion Procedures for Seismic Design
3-122 Chapter 22, Seismic Ground motion and Long-Period Transition Maps
New Recommended Requirements
Proposal # Section Reference
IT3-1 White paper: Appropriate Seismic Load Combinations for Base Plates, Anchorage, and Foundations

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PUC Ballot Proposals to the 2009 NEHRP Provisions (April 2 - May 2, 2007)

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